WATER-ABSORBENT SHEET STRUCTURE
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United States of America Patent
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Issued Date -
Dec 27, 2012
app pub date -
Dec 27, 2010
filing date -
Jan 13, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A water-absorbent sheet structure comprises a structure in which an absorbent layer comprising a water-absorbent resin and an adhesive is sandwiched with nonwoven fabrics from an upper side and a lower side of the absorbent layer, wherein the water-absorbent resin is contained in an amount of from 100 to 1,000 g/m2, and wherein a mass-average particle size of the water-absorbent resin is from 50 to 800 μm, and wherein a particle size rate index of the water-absorbent resin is 0.12 s/μm or less, and wherein the water-absorbent sheet structure has a peeling strength of from 0.05 to 3.0 N/7 cm. The water-absorbent sheet structure according to the present invention exhibits some effects that a water-absorbent sheet structure has excellent shape retaining ability even when the structure is thin, so that the water-absorbent sheet structure does not undergo deformation of the form before liquid absorption or after the absorption, and is capable of sufficiently exhibiting absorbent properties such as liquid permeability, a small amount of liquid re-wet, and a small liquid slope leakage.
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